Records of the Geological Survey of India, Volume 82Geological Survey of India, 1949 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 262
... consists of quartz , felspars ( mainly ortho- clase ) , biotite and hornblende . Pink felspar is more common in the porphyritic granite that crops out in the Sind river . The bulk of the granite exposed on the southern tract of the ...
... consists of quartz , felspars ( mainly ortho- clase ) , biotite and hornblende . Pink felspar is more common in the porphyritic granite that crops out in the Sind river . The bulk of the granite exposed on the southern tract of the ...
Page 290
Geological Survey of India. Chromitite consists chiefly of chromite with silicate gangue . It is found in Tulloch's upper quarries . The banded variety consists of thin bands of chromite alter- Chromitite . nating with white bands of ...
Geological Survey of India. Chromitite consists chiefly of chromite with silicate gangue . It is found in Tulloch's upper quarries . The banded variety consists of thin bands of chromite alter- Chromitite . nating with white bands of ...
Page 291
... consists of moderately disseminated ore grains arranged in layers which are , however , not very distinct . The schlieren bands are like the schlieren plates in a crystal and the arrangement of chromite grains is often found wavy . 2 ...
... consists of moderately disseminated ore grains arranged in layers which are , however , not very distinct . The schlieren bands are like the schlieren plates in a crystal and the arrangement of chromite grains is often found wavy . 2 ...
Contents
SPECIAL INVESTIGATIONScontd | 5 |
VOLUME 82 1949 PART I | 6 |
Titanium M S Krishnan B C Roy As | 10 |
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Common terms and phrases
abutment Ajmer-Merwara alignment alluvium Assam Assistant Geologist Auden Balasundaram bands bank Barakar beds Bihar biotite Bombay Calcutta Carried out geological cement cent Central Provinces charnockites chromite Circle and left coal coalfield coarse colour Cuddapah dam-site Datia days with effect Deccan trap deposits depth district dolerite dykes Engineering epidiorite examined feet felspar fossil Geol Geological Survey Geophysical gneisses Godavari Gondwana granite gypsum Hazra headquarters hill hillocks India investigation joints Journ Kurnool laterite limestone lode Madras magnetite mapping material Messrs Mica miles Mineral Concessions Mining Nagpur nala November occur Ochre Orissa outcrop pegmatite phyllites plateau Pradesh Project quantity quarries quartz quartzites railway reported ridge river road rocks samples sand sandstones seams shales sheet Shri Soapstone soil Southern Circle specimen suitable Survey of India taluk thick tons traps Trichinopoly tunnel United Provinces upstream Valley veins village Vindhya Vindhya Pradesh water supply zone